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The nasopharyngeal epithelium, which is frequently found in Southeast Asia and Southern China, gives rise to nasopharyngeal carcinoma (NPC). Despite improvements in diagnostic tools and remedial modalities, the prognosis of NPC remains meager. Thus, innovative and effective anti-cancer agents are desirable. Voacangine (VCG) is a recognized alkaloid sequestered from the plant Voacanga foetida. Hence, the current research assessed the anti-proliferative and apoptotic action of VCG on HK-1 human NPC cells and its underlying molecular actions. The results exposed that VCG (20 and 25 µ/ml) avert the HK-1 cells proliferation, which stimulates apoptosis by the amelioration of Bcl-2-associated X protein (Bax) and caspases, while it lessens cyclin-D1, B-cell lymphoma 2 (Bcl-2), c-Myc, survivin in a dose-dependent way. Furthermore, VCG alleviates inflammation, cell proliferation, and augmented cell death through the attenuation of Nuclear factor kappa B (NF-κB) facilitated Phosphoinositide 3-kinase/Protein kinase B/Mammalian target of rapamycin (PI3K/AKT/mTOR) signaling. This creates a Bax/Bcl-2 proportion imbalance, which triggers caspases cascade, Cyt-c, and induces apoptosis. Our findings deliver novel perceptions into exploring VCG as a beneficial bioactive alkaloid for the handling of NPC. [ABSTRACT FROM AUTHOR]